Subtract 8/18 from 16/28
16/28 - 8/18 is 8/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
16/28 = 16 × 9/28 × 9 = 144/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
8/18 = 8 × 14/18 × 14 = 112/252 - Subtract the two like fractions:
144/252 - 112/252 = 144 - 112/252 = 32/252 - After reducing the fraction, the answer is 8/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/28-8/18 16/28-16/18 16/56-8/18 16/28-8/36 48/28-8/18 16/28-24/18 16/84-8/18 16/28-8/54 80/28-8/18 16/28-40/18 16/28-8/90 16/28-56/18